Edwin Cohn developed cold ethanol fractionation
In 1940, Edwin Cohn, a professor of biological chemistry at Harvard Medical School, developed cold ethanol fractionation, the…
In 1940, Edwin Cohn, a professor of biological chemistry at Harvard Medical School, developed cold ethanol fractionation, the…
In 1940, Charles R. Drew, MD, an African American surgeon and Howard University researcher, began an early blood…
On Feb. 2, 1925, a life-or-death race to save the children of Nome from a diphtheria epidemic made…